This commit implements vdpa_config_ops.get_vq_size for vDPA
simulator, this new interface can help report per vq size.
Signed-off-by: Zhu Lingshan <lingshan.zhu@xxxxxxxxx>
---
drivers/vdpa/vdpa_sim/vdpa_sim.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index be2925d0d283..a870c983d89f 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -311,6 +311,17 @@ static void vdpasim_set_vq_num(struct vdpa_device *vdpa, u16 idx, u32 num)
vq->num = num;
}
+static u16 vdpasim_get_vq_size(struct vdpa_device *vdpa, u16 idx)
+{
+ struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
+ struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
+
+ if (vdpasim->status & VIRTIO_CONFIG_S_DRIVER_OK)
+ return vq->num;
+ else
+ return VDPASIM_QUEUE_MAX;
+}
+
static void vdpasim_kick_vq(struct vdpa_device *vdpa, u16 idx)
{
struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
@@ -774,6 +785,7 @@ static const struct vdpa_config_ops vdpasim_config_ops = {
.get_driver_features = vdpasim_get_driver_features,
.set_config_cb = vdpasim_set_config_cb,
.get_vq_num_max = vdpasim_get_vq_num_max,
+ .get_vq_size = vdpasim_get_vq_size,
.get_device_id = vdpasim_get_device_id,
.get_vendor_id = vdpasim_get_vendor_id,
.get_status = vdpasim_get_status,
--
2.39.3
